Journey to the Microcosmos

Season 4 Episode 14: Looking at Tardigrade Sperm and Other Reproducing Swimmers

Original Title: Tardigrade Sperm and Other Reproducing Swimmers Not all hypotheses need to be good. In fact, many of them are terrible. It’s just that when you’re trying to understand the world, you might find yourself believing that there are tiny humans living inside the heads of sperm, and we're here to tell you, that's not how it works.

Genre:

Documentary

Seasons:

7

Episodes:

236

Actor:

Hank Green

Quality:

HD

Status:

Ended

First Air:

2019

IMDb:

7.0